diff --git a/xos/admin.py b/xos/admin.py
index 0d8a1ff..112bc33 100644
--- a/xos/admin.py
+++ b/xos/admin.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 from django.contrib import admin
 
 from django import forms
diff --git a/xos/api/service/vtn.py b/xos/api/service/vtn.py
index 862ca97..920482b 100644
--- a/xos/api/service/vtn.py
+++ b/xos/api/service/vtn.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 from rest_framework.decorators import api_view
 from rest_framework.response import Response
 from rest_framework.reverse import reverse
diff --git a/xos/attic/header.py b/xos/attic/header.py
index fe900d8..803d477 100644
--- a/xos/attic/header.py
+++ b/xos/attic/header.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 from django.db import models
 from django.db.models import *
 from core.models import Service
diff --git a/xos/synchronizer/Dockerfile.synchronizer b/xos/synchronizer/Dockerfile.synchronizer
index d65444f..6c7b6b7 100644
--- a/xos/synchronizer/Dockerfile.synchronizer
+++ b/xos/synchronizer/Dockerfile.synchronizer
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 # xosproject/vtn-synchronizer
 FROM xosproject/xos-synchronizer-base:candidate
 
diff --git a/xos/synchronizer/__init__.py b/xos/synchronizer/__init__.py
index e69de29..d4e8062 100644
--- a/xos/synchronizer/__init__.py
+++ b/xos/synchronizer/__init__.py
@@ -0,0 +1,16 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
diff --git a/xos/synchronizer/run-from-api.sh b/xos/synchronizer/run-from-api.sh
index 9845c8d..70ea7eb 100755
--- a/xos/synchronizer/run-from-api.sh
+++ b/xos/synchronizer/run-from-api.sh
@@ -1 +1,17 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 python vtn-synchronizer.py
diff --git a/xos/synchronizer/steps/sync_onos_netcfg.py b/xos/synchronizer/steps/sync_onos_netcfg.py
index 598d782..b084a66 100644
--- a/xos/synchronizer/steps/sync_onos_netcfg.py
+++ b/xos/synchronizer/steps/sync_onos_netcfg.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 import os
 import requests
 import socket
diff --git a/xos/synchronizer/steps/sync_vtn_service.py b/xos/synchronizer/steps/sync_vtn_service.py
index 83da1bb..9aa2cb7 100644
--- a/xos/synchronizer/steps/sync_vtn_service.py
+++ b/xos/synchronizer/steps/sync_vtn_service.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 import os
 import requests
 import socket
diff --git a/xos/synchronizer/vtn-synchronizer.py b/xos/synchronizer/vtn-synchronizer.py
index 9855c72..b5944a8 100755
--- a/xos/synchronizer/vtn-synchronizer.py
+++ b/xos/synchronizer/vtn-synchronizer.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 #!/usr/bin/env python
 
 # This imports and runs ../../xos-observer.py
diff --git a/xos/synchronizer/vtn_config.yaml b/xos/synchronizer/vtn_config.yaml
index 6f5886b..5a799de 100644
--- a/xos/synchronizer/vtn_config.yaml
+++ b/xos/synchronizer/vtn_config.yaml
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 name: vtn-synchronizer
 accessor:
   username: xosadmin@opencord.org
diff --git a/xos/synchronizer/vtnnetport.py b/xos/synchronizer/vtnnetport.py
index bef9b37..82f5a0c 100644
--- a/xos/synchronizer/vtnnetport.py
+++ b/xos/synchronizer/vtnnetport.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 # This library can be used in two different contexts:
 #    1) From the VTN synchronizer
 #    2) From the handcrafted VTN API endpoint
diff --git a/xos/templates/vtnadmin.html b/xos/templates/vtnadmin.html
index a3a2a52..d9a5d75 100644
--- a/xos/templates/vtnadmin.html
+++ b/xos/templates/vtnadmin.html
@@ -1,3 +1,21 @@
+
+<!--
+Copyright 2017-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+
 <div class = "row text-center">
     <div class="col-xs-12">
         <a href="/admin/vtn/vnrtenant/">vTN Tenants</a>
diff --git a/xos/tosca/resources/vtnservice.py b/xos/tosca/resources/vtnservice.py
index 1bbbaaa..7c57f09 100644
--- a/xos/tosca/resources/vtnservice.py
+++ b/xos/tosca/resources/vtnservice.py
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 from services.vtn.models import VTNService
 from service import XOSService
 
diff --git a/xos/vtn-onboard.yaml b/xos/vtn-onboard.yaml
index 853e072..cbdef5b 100644
--- a/xos/vtn-onboard.yaml
+++ b/xos/vtn-onboard.yaml
@@ -1,3 +1,19 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 tosca_definitions_version: tosca_simple_yaml_1_0
 
 description: Onboard the exampleservice